A
B
C
D
Text Solution
Verified by Experts
SL ARORA-Work, Energy and power-EXERCISE
- An engine pumps water through a hose pipe. Water passes through the pi...
Text Solution
|
- The heart of a man pumps 5 liters of blood through the arteries per mi...
Text Solution
|
- A car of mass m starta from rest and accelerates so that the instyanta...
Text Solution
|
- A partical of mass m is driven by a machine that deleveres a constant ...
Text Solution
|
- Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...
Text Solution
|
- The power of a water pump is 2 kW. If g = 10 m//s^2, the amount of wat...
Text Solution
|
- 250 N force is required to raise 75 kg mass from a pulley. If rope is ...
Text Solution
|
- A shell in its flight, explodes into four unequal parts. Which of the ...
Text Solution
|
- A body of mass m moving with velocity 3km//h collides with a body of m...
Text Solution
|
- A metal ball of mass 2 kg moving with speed of 36 Km//h has a collisio...
Text Solution
|
- Two identical balls A and B collide head on elastically. If velocities...
Text Solution
|
- The coefficient of restitution e for a perfectly elastic collision is
Text Solution
|
- A ball moving with velocity 2 ms^(-1) collides head on with another st...
Text Solution
|
- Two particles A and B, move with constant velocities vec(v(1))" and "v...
Text Solution
|
- Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...
Text Solution
|
- On a friction surface a block a mass M moving at speed v collides elas...
Text Solution
|
- Two particles of masses m(1),m(2) move with initial velocities u(1) an...
Text Solution
|
- Consider a drop of rain water having mass 1 g falling from a height of...
Text Solution
|
- A body of mass 1 kg begins to move under the action of a time dependen...
Text Solution
|
- A particle moves From a point (-2hati+5hatj)" to" (4hatj+3hatk) When a...
Text Solution
|